Takie Yahagi, Masakuni Degawa, Yuko Seino, Taijiro Matsushima, Minako Nagao, Takashi Sugimura, Yoshiyuki Hashimoto, None,
Mutagenicity of carcinogenic azo dyes and their derivatives Cancer Letters. ,vol. 1, pp. 91- 96 ,(1975) ,
10.1016/S0304-3835(75)95563-9